CN2582184Y - Energy balancer for series large volume lithium battery - Google Patents
Energy balancer for series large volume lithium battery Download PDFInfo
- Publication number
- CN2582184Y CN2582184Y CN02289111U CN02289111U CN2582184Y CN 2582184 Y CN2582184 Y CN 2582184Y CN 02289111 U CN02289111 U CN 02289111U CN 02289111 U CN02289111 U CN 02289111U CN 2582184 Y CN2582184 Y CN 2582184Y
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- China
- Prior art keywords
- lithium battery
- voltage
- energy device
- lithium
- balancing energy
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
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- Y02E60/122—
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- Charge And Discharge Circuits For Batteries Or The Like (AREA)
- Secondary Cells (AREA)
Abstract
The utility model relates to an energy balancer applied to the connection in series of a large volume lithium battery group. The utility model is formed by the method that the large volume lithium battery group is mainly combined through a connection in series mode, an energy balancer is arranged between the two lithium batteries which are connected in series, and the energy balancer can obtain the voltage of the two lithium batteries by the energy balancer and the correct positions can be compared with the energy balancer. When a high-low position difference existing in the voltage of the two lithium batteries is known, the quantity of electricity of a lithium battery with higher voltage transports to a lithium battery with lower voltage by the energy balancer so that the quantity of the electricity of the two lithium batteries is balanced and the state of the equipartition of energy can be achieved.
Description
Technical field
The utility model is relevant for a kind of balancing energy device of the high-capacity lithium battery group that is applied to connect, especially refer to form the high-capacity lithium battery group by the mode of series connection, and utilize the balancing energy device that is connected with between two lithium batteries of series connection, make the balanced and energy even distribution of electric weight of two lithium batteries.
Background technology
The evolution of battery, the most general by traditional lead-acid battery, Ni-MH battery, nickel-cadmium cell and use extremely at present also is the lithium ion battery (hereinafter to be referred as lithium battery) of each side's best results, because the electric activity of the lithium ion tool high energy in the lithium battery, so can finish charging at short notice, remove the preferable charge efficiency of tool, also have little, the capacious advantage of volume concurrently; But; lithium battery is not without at least one drawback; because the electric activity of the lithium ion tool high energy in the lithium battery; so the package material of its device case and composition technology are also exquisite especially; in addition for the temperature-rise effect in when charging with avoid over-discharge can to cause infringement to lithium battery; also need pay special attention to; because of afore-mentioned characteristics; make the heap(ed) capacity of lithium battery be restricted; with regard to present manufacturing technology; probably can only produce the lithium battery of maximum 20-30 ampere-hour (Ah); though it is used in mobile phone or various electronic equipment still claims enough and to spare; but use big electric power (for example electric motor car or electric automobile) for need; then can't satisfy its demand; yet struck capacity and its amount of promoting the integral body of battery can be exported; with regard to electric principle; as long as most lithium batteries of series connection; promptly can reach; but behind most lithium batteries of series connection; because the unit price height of each lithium battery; and indivedual performances differ; it is repeatedly filling; after the discharge; individual other lithium battery all can produce differential declines or aging problem; cause filling of each lithium battery; discharging efficiency can produce great difference and make when most lithium batteries of series connection; when when charge in arbitrary lithium pond, reaching its setting high voltage protection point; this charging system promptly can be ordered its protective circuit it is stopped charging; cause whole serial lithium battery can't continue charging; reach the best full state that closes; and cause its capacity to reduce; otherwise when the lithium battery of series connection discharges; the lithium battery that capacity is lower in this lithium battery can arrive the low-voltage critical point ahead of time and protected circuit is stopped and ended discharge, therefore causes the lithium battery electric power of whole series connection to end ahead of time, and its spendable capacity reduces.
The utility model content
Main purpose of the present utility model, a kind of balancing energy device of the high-capacity lithium battery group that is applied to connect is provided, this lithium battery wherein, can several form a jumbo lithium battery group use are provided by connecting, and utilize the balancing energy device that between two lithium batteries of series connection, is connected with, can allow the electric weight of each lithium battery balanced and reach the usefulness that energy even distributes, no matter make them when charge and discharge, all can allow the electrical characteristic of each lithium battery remain homogeneity, have preferable effective utilization.
Secondary objective of the present utility model, a kind of balancing energy device of the high-capacity lithium battery group that is applied to connect is provided, when most lithium batteries of series connection, can effectively promote the stable and power output of its global voltage, can promote high-power equipment such as electric motor car or electric automobile, make its amount use and have more benefit, also allow the object that uses have more diversity.
A purpose more of the present utility model; a kind of balancing energy device of the high-capacity lithium battery group that is applied to connect is provided; wherein this balancing energy device side is connected to a protective circuit; make this protective circuit can be to lithium battery electric voltage exception or surpassing the warning temperature warns when the charge and discharge; notify the charge or discharge equipment of this connection to handle simultaneously; even, reach best protection effect by its work.
Another purpose of the present utility model; a kind of balancing energy device of the high-capacity lithium battery group that is applied to connect is provided; the wherein start of this balancing energy device and protective circuit; do not need external power supply; as long as between lithium battery, there is voltage differences; and have the anomaly of generation promptly can produce running, so no matter all can play a role in leaving standstill in charging, discharge or equipment, the effective utilization that tool is full-time.
A kind of balancing energy device of the high-capacity lithium battery group that is applied to connect, it mainly is provided with a balancing energy device between two lithium batteries of series connection, and this balancing energy device can be obtained the voltage of two lithium batteries and compare its accurate position, when the voltage that detects two lithium batteries has vertical parallax, promptly synchronously by this balancing energy device, the electric weight of the lithium battery of voltage the higher person is carried toward voltage lower, made the electric weight equilibrium of two lithium batteries, and reach the state that energy even distributes.
Description of drawings
Fig. 1 is a principle calcspar of the present utility model.
Fig. 2 is the circuit connection calcspar of preferred embodiment of the present utility model.
Fig. 3 is continuing of balancing energy device of the present utility model and acts on schematic diagram.The figure number explanation
A, B, C: lithium battery 111: balancing energy device
11: 12: the first distributors of control unit
13: the second distributors 2,2a: protective circuit
3,3a: I/O port 4: charging device
5: discharge equipment SL: the warning signal
Embodiment
At first see also shown in Figure 1, the utility model is a kind of balancing energy device of the high-capacity lithium battery group that is applied to connect, the two lithium battery A that it is mainly being connected, be provided with a balancing energy device 1 between B, and this balancing energy device 1 can be obtained two lithium battery A, the voltage of B also compares its accurate position, when detecting two lithium battery A, when the voltage of B has high low level difference, promptly synchronously by this balancing energy device 1, the electric weight of the lithium battery (A or B) of voltage the higher person is carried toward the lower lithium battery (B or A) of voltage, make two lithium battery (A, B) electric weight equilibrium, and reach the state that energy even distributes; Again; this balancing energy device 1 other protective circuit 2 that connects; make this protective circuit 2 be detected voltage quasi position and the variations in temperature of lithium battery A, B; the height of voltage unusual (for example too high or too low) or surpass the warning temperature when finding lithium battery (A or B) in charge and discharge; this protective circuit 2 signal SL that all can give a warning; seeing through I/O port 3 simultaneously notifies the charging device 4 of this connection or discharge equipment 5 to handle; even by its work, and then the charge and discharge equipment 4,5 of protecting lithium battery A, B to be connected with it.
See also shown in Figure 2, circuit connection calcspar for preferred embodiment of the present utility model, the utility model can be connected most lithium batteries on demand and use is provided, in this legend with three lithium battery A, B, C illustrates as embodiment, can find out two lithium battery A in series connection, B with or B, be provided with balancing energy device 1 between C, 1a, this balancing energy device 1,1a can detect two battery A, B or B, the voltage vertical parallax of C, simultaneously by the balancing energy device, give relatively and according to voltage just being delivered to together position surely, make lithium battery A, B, electric weight equilibrium between C, and reach the state that energy even distributes; Again; this balancing energy device 1 wherein; the other protective circuit 2 that connects of 1a; 2a; make this protective circuit 2; 2a is detected lithium battery A; B; the voltage quasi position of C and variations in temperature; as finding arbitrary lithium battery A; B or C are in filling; the height of voltage unusual (for example too high or too low) or surpass warning temperature during discharge; this protective circuit 2; the 2a signal that all can give a warning; see through I/O port 3 simultaneously; 3a notifies the charge or discharge equipment 4 of this connection; 5 handle; even by its work, and then protection lithium battery A; B; what C was connected with it fills; discharge equipment 4; 5.
See also Fig. 3 continuing and act on schematic diagram for the utility model balancing energy device, this balancing energy device 1 wherein, comprise by control unit 11 and 12,13 of first, second distributor circuits and form, and this control unit 11 is in parallel with two lithium battery A, B, and by obtain the voltage quasi position of two lithium battery A, B with detecting, through its internal circuit relatively after, send signal by control unit 11, to select and to activate first or second distributor 12 or 13 conductings; This first, second distributor 12 or 13 is in parallel with this lithium battery A, B respectively and continues, therebetween and the characteristic of tool mutual exclusion interlock; For example, change the voltage quasi position tool of this control unit 11 through comparing two lithium battery A, B when having high low level difference, promptly can export signalisation first (or a second) distributor 12 or 13 and activate conducting, and second or first distributor 13 or 12 is ended, because this first or second distributor 12 or 13 in parallel with lithium battery A, B, higher lithium battery A or the B of this voltage promptly can see through this first or second distributor 12 or 13 with past lower lithium battery B or the A of voltage of electric weight conveying whereby, and reaches the state of electric weight equiblibrium mass distribution and energy even distribution.
Claims (4)
1, a kind of balancing energy device of the high-capacity lithium battery group that is applied to connect, it is characterized in that: mainly between two lithium batteries of series connection, be provided with a balancing energy device, and this balancing energy device can be obtained the voltage of two lithium batteries and compare its accurate position, when the voltage that detects two lithium batteries has vertical parallax, promptly synchronously by this balancing energy device, carry toward voltage the electric weight of the lithium battery of voltage the higher person lower, make the electric weight equilibrium of two lithium batteries, and reach the state that energy even distributes.
2, the balancing energy device of the high-capacity lithium battery group that is applied to connect as claimed in claim 1, it is characterized in that: this lithium battery can be adopted most lithium batteries and connect in regular turn, to form a jumbo lithium battery group, and be arranged with the balancing energy device between two lithium batteries of this series connection, whereby with electric weight equilibrium that reaches this lithium battery and the state that energy even distributes.
3, the balancing energy device of the high-capacity lithium battery group that is applied to connect as claimed in claim 1 or 2, it is characterized in that: this balancing energy device, comprise by control unit and first, second distributor circuit and formed, and this control unit is in parallel with two lithium batteries, and by obtain the voltage quasi position of two lithium batteries with detecting, through its internal circuit relatively after, send signal by control unit and select and activate the first or second distributor conducting; This first, second distributor is in parallel with this lithium battery respectively and continues, therebetween and the characteristic of tool mutual exclusion interlock; For example when this control unit when the voltage quasi position tool of two lithium batteries relatively has high low level difference, promptly can export a signalisation first or second distributor and activate conducting, and second or first distributor is ended, because this is first or second in parallel with lithium battery, the higher lithium battery of this voltage promptly can be carried electric weight toward the low lithium battery of voltage through this first or second distributor whereby, and reaches the state of electric weight equiblibrium mass distribution and energy even distribution.
4, the balancing energy device of the high-capacity lithium battery group that is applied to connect as claimed in claim 1 or 2; it is characterized in that: the other protective circuit that connects of this balancing energy device; make this protective circuit be detected the voltage quasi position and the variations in temperature of lithium battery; the height of voltage is unusual or surpass the warning temperature when finding that lithium battery is in charge and discharge; this protective circuit signal that all can give a warning; notify the charge or discharge equipment of this connection to handle simultaneously; even by its work, and then the charge and discharge equipment of protecting lithium battery to be connected with it.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN02289111U CN2582184Y (en) | 2002-11-28 | 2002-11-28 | Energy balancer for series large volume lithium battery |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN02289111U CN2582184Y (en) | 2002-11-28 | 2002-11-28 | Energy balancer for series large volume lithium battery |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2582184Y true CN2582184Y (en) | 2003-10-22 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN02289111U Expired - Fee Related CN2582184Y (en) | 2002-11-28 | 2002-11-28 | Energy balancer for series large volume lithium battery |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2582184Y (en) |
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2010034210A1 (en) * | 2008-09-23 | 2010-04-01 | He Yuanqiang | Battery equalizer |
| CN101017986B (en) * | 2006-12-29 | 2010-05-19 | 哈尔滨工业大学 | Balancer in the charging/discharging process of the dynamic battery group |
| CN101777670A (en) * | 2010-02-10 | 2010-07-14 | 超威电源有限公司 | Intelligent lead-acid battery |
| CN101088203B (en) * | 2004-12-24 | 2010-08-18 | Lg化学株式会社 | System for controlling voltage balancing in a plurality of litium-ion cell battery packs and method thereof |
| CN102138247A (en) * | 2008-09-30 | 2011-07-27 | 日本碍子株式会社 | Method for controlling sodium-sulfur battery |
| CN105210258A (en) * | 2013-03-15 | 2015-12-30 | 设计通量技术公司 | Method and apparatus for creating a dynamically reconfigurable energy storage device |
| CN106696707A (en) * | 2015-11-17 | 2017-05-24 | 北汽福田汽车股份有限公司 | Power on and off control method and system for power battery pack of electric automobile |
-
2002
- 2002-11-28 CN CN02289111U patent/CN2582184Y/en not_active Expired - Fee Related
Cited By (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101088203B (en) * | 2004-12-24 | 2010-08-18 | Lg化学株式会社 | System for controlling voltage balancing in a plurality of litium-ion cell battery packs and method thereof |
| CN101017986B (en) * | 2006-12-29 | 2010-05-19 | 哈尔滨工业大学 | Balancer in the charging/discharging process of the dynamic battery group |
| WO2010034210A1 (en) * | 2008-09-23 | 2010-04-01 | He Yuanqiang | Battery equalizer |
| CN102138247A (en) * | 2008-09-30 | 2011-07-27 | 日本碍子株式会社 | Method for controlling sodium-sulfur battery |
| US8574741B2 (en) | 2008-09-30 | 2013-11-05 | Ngk Insulators, Ltd. | Method for controlling sodium-sulfur battery |
| CN102138247B (en) * | 2008-09-30 | 2014-03-12 | 日本碍子株式会社 | Method for controlling sodium-sulfur battery |
| CN101777670A (en) * | 2010-02-10 | 2010-07-14 | 超威电源有限公司 | Intelligent lead-acid battery |
| CN101777670B (en) * | 2010-02-10 | 2012-09-05 | 超威电源有限公司 | Intelligent lead-acid battery |
| CN105210258A (en) * | 2013-03-15 | 2015-12-30 | 设计通量技术公司 | Method and apparatus for creating a dynamically reconfigurable energy storage device |
| CN105210258B (en) * | 2013-03-15 | 2019-04-23 | 设计通量技术公司 | For generate can dynamic recognition energy storage device method and apparatus |
| CN106696707A (en) * | 2015-11-17 | 2017-05-24 | 北汽福田汽车股份有限公司 | Power on and off control method and system for power battery pack of electric automobile |
| CN106696707B (en) * | 2015-11-17 | 2019-06-11 | 北京宝沃汽车有限公司 | The power-on and power-off control method and system of the power battery pack of electric car |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| ASS | Succession or assignment of patent right |
Owner name: RUIDE ELECTRIC POWER CO., LTD. Free format text: FORMER OWNER: LEITIAN RESOURCE TECHNOLOGY CO., LTD., TAIWAN Effective date: 20031114 |
|
| C41 | Transfer of patent application or patent right or utility model | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20031114 Address after: Taiwan, China Patentee after: Raido Electric Co., Ltd. Address before: Taiwan province Taipei City Neihu district road six lane 180, 6 Civil Rights Section No. 8F 1 Patentee before: Leitian Energy Source Science and Technology Co., Ltd., Taiwan |
|
| C19 | Lapse of patent right due to non-payment of the annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |